ShapePipe — longer-term improvements (not blocking the ngmix v2.0 merge)
Nobody has claimed this yet.
Assessment
- Difficulty
- 5/5
- Estimated time
- Over a week
- Newbie friendliness
- 20/100
- Issue type
- Feature
- Clarity
- Needs clarification
- Activity status
- Quiet
- Tech stack
- python
- Domain
- computer-vision, data
Research direction
Start by reviewing the listed sub-issues (#767, #769, #775, #776, and #778) rather than treating this umbrella issue as one task. Read the relevant sub-issue and its linked context, then complete one independently scoped enhancement after the ngmix v2.0 merge, with validation defined there.
Written by the indexing model from the issue text.
Description
Umbrella for ShapePipe improvements that are not prerequisites for merging the ngmix v2.0 PR (#741 / epic #762). #762 holds the must-fix-before-merge work; this epic holds everything worth doing that can land after, on its own cadence.
Current members:
- #767 — ngmix centroid: confirm the WCS switch in #741, and whether there's any reason to keep HSM.
- #769 — ngmix: the reduced-χ² anomaly on stars (error model).
- #775 — HSM PSF/star shapes directly in sky coords (
use_sky_coordsonFindAdaptiveMom), dropping the WCS re-transform. - #776 — UberSeg neighbour masking (Erin Sheldon), config-selectable, validated against noise-fill.
- #778 — ngmix PSF fitter: drop the galaxy prior, adopt a metadetect-style dedicated PSF fit (Axel's suggestion on #749).
(GitHub also tracks these as sub-issues; new enhancements get added as they surface.)
— Claude on behalf of Cail
- Dominant language
- Python
- Stars
- 18
- Forks
- 14
- Avg merge
- 8h 40m
- Merged PRs (30d)
- 10
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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